diff --git a/Makefile b/Makefile
index 387ae7b8..8a2fbf35 100644
--- a/Makefile
+++ b/Makefile
@@ -68,7 +68,7 @@ TAR_XFORM_CMD ?= $(shell tar --version | grep -q 'GNU tar' && echo 's')
 
 # CERT_SHA1 is the SHA-1 hash of the Windows code-signing cert to use.  The
 # actual signature is made with SHA-256.
-CERT_SHA1 ?= 824455beeb23fe270e756ca04ec8e902d19c62aa
+CERT_SHA1 ?= 27ea8f81ce920bccd2174e3b272f2ba247605be6
 
 # CERT_FILE is the PKCS#12 file holding the certificate.
 CERT_FILE ?=